Gauss-Jordan elimination on $$$\left[\begin{array}{ccc|c}1 & 0 & 0 & 9\\0 & 1 & 0 & 8\\0 & 0 & 1 & 7\end{array}\right]$$$

The calculator will perform the Gaussian elimination on the $$$3$$$x$$$4$$$ matrix $$$\left[\begin{array}{ccc|c}1 & 0 & 0 & 9\\0 & 1 & 0 & 8\\0 & 0 & 1 & 7\end{array}\right]$$$, with steps shown.

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Your Input

Perform the Gauss-Jordan elimination (reduce completely) on $$$\left[\begin{array}{ccc|c}1 & 0 & 0 & 9\\0 & 1 & 0 & 8\\0 & 0 & 1 & 7\end{array}\right]$$$.

Solution

The matrix is already reduced.

Answer

The reduced matrix is $$$\left[\begin{array}{ccc|c}1 & 0 & 0 & 9\\0 & 1 & 0 & 8\\0 & 0 & 1 & 7\end{array}\right]$$$A.